Allow to hide menu header view

CMakeLists.txt

@@ -65,7 +65,7 @@ option(KDEPIM_RUN_AKONADI_TEST "Enable autotest based on Akonadi." TRUE)
 
 find_package(Qt5 ${QT_REQUIRED_VERSION} CONFIG REQUIRED DBus Network Test Widgets WebEngine WebEngineWidgets)
 set(LIBGRAVATAR_VERSION_LIB "5.14.80")
-set(MAILCOMMON_LIB_VERSION_LIB "5.14.80")
+set(MAILCOMMON_LIB_VERSION_LIB "5.15.42")
 set(MESSAGELIB_LIB_VERSION_LIB "5.14.80")
 set(LIBKLEO_LIB_VERSION_LIB "5.14.80")
 set(PIMCOMMON_LIB_VERSION_LIB "5.14.80")

agents/unifiedmailboxagent/unifiedmailboxeditor.cpp

@@ -127,7 +127,8 @@ UnifiedMailboxEditor::UnifiedMailboxEditor(UnifiedMailbox *mailbox, const KShare
 
     auto ftw = new MailCommon::FolderTreeWidget(nullptr, nullptr,
                                                 MailCommon::FolderTreeWidget::TreeViewOptions(MailCommon::FolderTreeWidget::UseDistinctSelectionModel
-                                                                                              |MailCommon::FolderTreeWidget::HideStatistics));
+                                                                                              |MailCommon::FolderTreeWidget::HideStatistics
+                                                                                              |MailCommon::FolderTreeWidget::HideHeaderViewMenu));
     ftw->folderTreeView()->setDragEnabled(false);
     l->addWidget(ftw);